The Gulf War Country crossword solutions are Iraq (4 letters) and IRAN (4 letters). Iraq and IRAN were two of the countries involved in the Gulf War, which was a conflict between Iraq and a coalition of forces led by the United States that lasted from August 1990 to February 1991. Iraq's invasion of Kuwait in August 1990 prompted the coalition to intervene, and the war ended with Iraq's defeat and withdrawal from Kuwait. IRAN was not part of the coalition, but it did provide support to Iraq during the war.